In re DeLancey

After allowing claims 8, 9, 11 and 13, drawn to structure, in appellant’s application for a patent relating to an oil burner and method of operating it, the Primary Examiner of the United States Patent Office rejected method claim 12, the only remaining claim in the case. The examiner’s decision was affirmed by the Board of Appeals and appeal is here taken from the board’s decision.

The invention involved here is concerned with the electrical ignition phase of the operation of liquid fuel burners of the type generally referred to as vaporizing or pot type burners. Such burners burn fuel oil…